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All Journal Biosaintifika: Journal of Biology & Biology Education AGROMIX Agro Bali: Agricultural Journal
Uge, Emerensiana
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Agriculture, Biological Sciences & Forestry

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GROWTH PERFORMANCE, YIELD COMPONENT AND GENOTYPIC RESPONSE OF MUNGBEAN (VIGNARADIATA L.) AGAINST SOIL BORNE DISEASES Uge, Emerensiana; Iswanto, Rudi; Hapsari, Ratri Tri; Trustinah, Trustinah
Biosaintifika: Journal of Biology & Biology Education Vol 12, No 1 (2020): April 2020
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.374 KB) | DOI: 10.15294/biosaintifika.v12i1.23827

Abstract

Soil-borne disease caused by fungus infection is one of the disease that causes the death and crop failure of mungbean. The aim of this study was to identify the performance, yield component and respons of plant to the disease. Performance of 25 genotypes were observed in installations research and assessment of agriculture technology (IPPTP), Jambegede of Indonesian Legumes and Tuber Crops Research Institute (ILETRI)at dry season 2018 using RCBD with three replications. The result showed that each variety has different characteristic. The plant with the highest number of plant height was genotype 15 and 18, while the total branches of 25 genotypes were generally similar (4).The highest number of grown and harvested plant was genotype 15. The genotypes with shorter flowering, maturity and harvesting age were 23, 20, 18, 15 and 10. The highest average number of filled pods was genotype 11 and empty pods was genotype 13. There were 8,10 and 2 genotypes with seeds weight of >7, >6 and <6 respectively. The highest yields were obtained from genotype 19 and 3 by total of yield of 2.0 t/ha and 1,9 ton/ha respectively. Resistance test against soil-borne diseases resulted 5 genotypes that were moderate resistant observed at 2 DAP. This research contributed to gave information about new genotypes of mungbean that potentially produce new superior varieties.
Chitosan as A Plant Pathogen Control Agent: A Review Lidi, Maria Waldetrudis; Cahyaningrum, Hermawati -; Uge, Emerensiana
Agro Bali : Agricultural Journal Vol 7, No 2 (2024)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v7i2.1562

Abstract

Pathogen attacks can cause decreased yields, even crop failure. Proper control can suppress pathogens' development and maintain yields. The concept of integrated pest management emphasizes the application of several techniques, one of which is the use of organic products as vegetable pesticides. Chitosan is a natural product obtained from crustacean shells or skins which can be used in various fields, including agriculture. Indonesia is one of the countries producing raw products from crustacean animals (shrimp, crab, lobster, and squid). This also has an impact on the amount of shell or skin waste produced. The processing of crustacean animal skin waste into chitosan can go through several stages, namely deproteinized, demineralization, and deacetylation. Chitosan application can be done by seed treatment, foliar spraying, soil application, and post-harvest products. The mode of action of chitosan against pathogenic fungi is binding to phospholipids in the plasma membrane of fungal cells, causing changes in hyphal morphology, degrading fungal enzymes, increasing levels of phenolics, sugar, and proline, and activating antimicrobial compounds and defense-related enzymes. The modes of action against pathogenic bacteria are interfering with gene expression, causing cell lysis, destroying bacterial biofilms, increasing defense enzyme activity, inducing systemic resistance, damaging and changing cell membranes, and causing cell wall permeability. The mode of action against pathogenic viruses is to increase the expression of genes related to defense, inhibit systemic viral multiplication and hypersensitivity response. The utilization of chitosan products is very important to study, especially in suppressing the use of chemical products and maintaining ecosystem sustainability.
Pengaruh perlakuan refugia dan jarak tanam kedelai terhadap keragaman musuh alami : The effect of refugia treatment and soybean plant spacing on natural enemy diversity Uge, Emerensiana; Sari, Kurnia Paramita; Yusnawan, Eriyanto; Inayati, Alfi
AGROMIX Vol 14 No 2 (2023)
Publisher : Fakultas Pertanian Universitas Yudharta Pasuruan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35891/agx.v14i2.3576

Abstract

Introduction: Soybean cultivation is inseparable from the attack of plant pests. Control of soybean pests, which generally use synthetic pesticides, negatively impacts food products, environmental health, and ecosystem sustainability. Planting flowering plants around bunds can be useful in increasing the diversity of natural enemies because they can attract and serve as microhabitats for natural enemies. This research to obtain the effect of refugia treatment and soybean spacing on the diversity of natural enemies in soybean plantations. Methods: The study was designed in randomized block design, consisting of refugia and non-refugia treatments and plant spacing of 40 cm x 25 cm (J1) and 50 cm x 25 cm (J2), which was repeated three times. Sampling was carried out in the vegetative and generative phases, using yellow traps and pitfalls installed in the field for 24 hours. Results: The results showed that the most trapped natural enemy families were in the refugia treatment. The total number of trapped natural enemies was highest in the vegetative and generative phases, namely in the refugia and 2 spacing treatments (R-J2). The family of Braconidae order Hymenoptera and the group of parasitoids had the highest numbers in the refugia and non-refugia treatments. The value of the Diversity Index (H') in the refugia treatment and both plant spacings in the two growth phases was moderate, while in the non-refugia treatment, the two plant spacings and both growth phases were small and medium. Generally, the evenness index (D) value for all treatments is known to be small and medium. Conclusion: Refugia treatment and plant spacing affect the number of natural enemy populations, which is expected to suppress the development of pests in soybean cultivation.
Co-Authors Alfi Inayati Cahyaningrum, Hermawati - Eriyanto Yusnawan Maria Waldetrudis Lidi Nyoman Djinar Setiawina Ratri Tri Hapsari Rudi Iswanto, Rudi Trustinah Trustinah